.page-faq {
  --faq-rail-w: 236px;
  --faq-shadow: 0 6px 0 var(--line-600);
}

.page-faq .faq-hero {
  padding: clamp(24px, 4vw, 56px) 0 clamp(22px, 3.4vw, 40px);
  border-bottom: var(--line);
  background:
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(23, 51, 75, 0.55) 79px 80px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 16px;
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(26px, 5.2vw, 56px);
  line-height: 1.16;
  letter-spacing: 0.06em;
  color: var(--paper-050);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--slate-400);
}

.page-faq .faq-hero__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-layout {
  display: grid;
  gap: var(--gap);
  padding-top: clamp(22px, 3.4vw, 40px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq .faq-rail {
  min-width: 0;
  border: var(--line-thick);
  background: var(--panel-700);
  box-shadow: var(--faq-shadow);
  padding: 14px 16px 16px;
}

.page-faq .faq-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--slate-400);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  max-width: 100%;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border-left: 2px solid var(--line-600);
  background: var(--ink-800);
  color: var(--paper-050);
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.page-faq .faq-rail__num {
  font-size: 12px;
  color: var(--cyan-400);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-left-color: var(--cyan-400);
  background: var(--ink-900);
  color: var(--cyan-200);
  outline: none;
}

.page-faq .faq-rail__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate-400);
}

.page-faq .faq-main {
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
  min-width: 0;
}

.page-faq .faq-section {
  min-width: 0;
  border-top: var(--line);
  padding-top: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-section:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 12px;
}

.page-faq .faq-section__tag {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
  border-left: 3px solid var(--cyan-400);
  padding-left: 8px;
  text-transform: uppercase;
}

.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 30px);
  letter-spacing: 0.05em;
  line-height: 1.25;
  color: var(--paper-050);
}

.page-faq .faq-section__lede {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-faq .faq-section__more {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-faq .faq-inline-link {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-400);
  margin: 0 3px;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--ink-900);
  background: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
  outline: none;
}

/* 展开组 */
.page-faq .qa-group {
  border: var(--line-thick);
  border-left-width: 3px;
  border-left-color: var(--line-600);
  background: var(--panel-700);
  box-shadow: var(--faq-shadow);
  margin-bottom: 12px;
  transition: border-left-color 180ms ease;
}

.page-faq .qa-group[open] {
  border-left-color: var(--cyan-400);
}

.page-faq .qa-group__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
}

.page-faq .qa-group__summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-group__num {
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1;
  color: var(--cyan-400);
}

.page-faq .qa-group__name {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--paper-050);
}

.page-faq .qa-group__count {
  margin-left: auto;
  font-size: 12px;
  color: var(--slate-400);
}

.page-faq .qa-group__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-faq .qa-group__sign::before,
.page-faq .qa-group__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan-400);
}

.page-faq .qa-group__sign::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .qa-group__sign::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-faq .qa-group[open] .qa-group__sign::after {
  display: none;
}

.page-faq .qa-group__body {
  padding: 2px 16px 14px;
  border-top: var(--line);
}

/* 单条问答 */
.page-faq .qa {
  border-bottom: 1px solid var(--line-600);
}

.page-faq .qa:last-child {
  border-bottom: none;
}

.page-faq .qa__q {
  display: flex;
  gap: 10px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-050);
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__q::before {
  content: "Q";
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 2;
  color: var(--cyan-400);
}

.page-faq .qa[open] .qa__q {
  color: var(--cyan-200);
}

.page-faq .qa__a {
  margin: 0 0 14px 22px;
  padding-left: 12px;
  border-left: 2px solid var(--line-600);
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--slate-400);
}

.page-faq .qa--solo {
  border: var(--line);
  border-left: 3px solid var(--line-600);
  background: var(--panel-700);
  padding: 2px 14px;
  margin-bottom: 10px;
  transition: border-left-color 180ms ease;
}

.page-faq .qa--solo[open] {
  border-left-color: var(--cyan-400);
}

/* 读表分区 */
.page-faq .faq-read {
  padding: clamp(18px, 3vw, 30px);
  border-color: var(--wine-line);
  box-shadow: 0 6px 0 var(--wine-line);
}

.page-faq .faq-read .faq-section__tag {
  color: var(--amber-200);
  border-left-color: var(--amber-400);
}

.page-faq .faq-read__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper-050);
}

.page-faq .faq-figure {
  margin: 18px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--wine-line);
  background: var(--ink-900);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-200);
}

.page-faq .read-cases {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .read-cases li {
  border-top: 2px solid var(--amber-400);
  padding-top: 10px;
}

.page-faq .read-cases__num {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--amber-200);
}

.page-faq .read-cases h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--paper-050);
}

.page-faq .read-cases p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-050);
}

.page-faq .faq-read__more {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-050);
}

.page-faq .faq-read .faq-inline-link {
  color: var(--amber-200);
  border-bottom-color: var(--amber-400);
}

.page-faq .faq-read .faq-inline-link:hover,
.page-faq .faq-read .faq-inline-link:focus-visible {
  background: var(--amber-400);
  color: var(--ink-900);
}

/* 注册问答两栏 */
.page-faq .faq-split {
  display: grid;
  gap: var(--gap);
}

.page-faq .faq-split__main {
  min-width: 0;
}

.page-faq .faq-split__side {
  margin: 0;
  border: var(--line-thick);
  background: var(--ink-900);
  box-shadow: var(--faq-shadow);
  padding: 10px;
}

.page-faq .faq-split__side img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-600);
}

.page-faq .faq-split__side figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

/* 自查顺序 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--line-600);
  border-left: 3px solid var(--cyan-400);
  background: var(--panel-700);
  font-size: 14.8px;
  line-height: 1.75;
  color: var(--paper-050);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan-400);
  line-height: 1.6;
}

/* 自查清单 */
.page-faq .faq-checks {
  border: var(--line-thick);
  background: var(--ink-900);
  box-shadow: var(--faq-shadow);
  padding: clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-checks__list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-checks__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line-600);
  background: var(--panel-700);
  cursor: pointer;
  font-size: 14.8px;
  line-height: 1.7;
  color: var(--paper-050);
  transition: border-color 180ms ease, background 180ms ease;
}

.page-faq .faq-checks__item input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 2px solid var(--cyan-400);
  background: transparent;
  position: relative;
  cursor: pointer;
}

.page-faq .faq-checks__item input:checked {
  background: var(--cyan-400);
}

.page-faq .faq-checks__item input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  width: 6px;
  height: 12px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(40deg);
}

.page-faq .faq-checks__item:has(input:checked) {
  border-color: var(--cyan-400);
  background: var(--ink-800);
}

.page-faq .faq-checks__hint,
.page-faq .faq-checks__done {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-faq .faq-checks__done {
  display: none;
  color: var(--amber-200);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .faq-checks:not(:has(input:not(:checked))) .faq-checks__hint {
  display: none;
}

.page-faq .faq-checks:not(:has(input:not(:checked))) .faq-checks__done {
  display: block;
}

/* 行动入口 */
.page-faq .faq-final {
  border-top: var(--line);
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-cta__note {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-200);
  border: 1px solid var(--line-600);
  padding: 6px 10px;
}

/* 进场显现 */
.page-faq [data-reveal].reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.page-faq [data-reveal].reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (min-width: 760px) {
  .page-faq .faq-checks__list {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .read-cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 48px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow-x: visible;
  }

  .page-faq .faq-rail__link {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal].reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .qa-group,
  .page-faq .qa--solo,
  .page-faq .faq-rail__link,
  .page-faq .faq-checks__item {
    transition: none;
  }
}
<<<END>>>